Perhaps you should try some spelling variations:
luong quang » luong quan, dung quang
chieu xanh » chieu sach, chieu sang, chieu tinh
cong quang » thong quang, duong quang, dang quang
doi chieu » doc hieu, doi chi, ho chieu
hanh dung » thanh dung, anh dung, hanh dong
cua khong » hua khong, cua phuong, cua thuong
dung cua » dung luan, dung cho
toan ban » van ban

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu xanh - hanh dung cua khong ((cong quang) or (luong quang)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - hanh dung cua khong ((cong quang) OR (luong quang)) toan ban.
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - hanh dung cua khong ((cong quang) or (luong quang)) toan ban*.